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Fig. 12 | Geoenvironmental Disasters

Fig. 12

From: Longevity of dams from landslides with sub-channel rupture surfaces, Peace River region, Canada

Fig. 12

The Saddle River landslide and dam. a. Digital Elevation Model derived using 2 m lidar data (dated October 22, 2013; source: Government of Alberta, reproduced with permission) showing the 1990 landslide colluvium (outlined in red) and mainscarp (black). b. The landslide lake in July 1999. Note the drowned timber within the landslide dam basin. (source: BGN Miller, July 1999.) ce. Time series of aerial photographs showing the landslide dam lake in September 1995 and 2001, and the drained basin in August 2006 (air photos AS4680–33, AS5194B-40, and TRSG0602–1536 respectively; source: Alberta Environment and Parks, Air Photo Distribution, Copyright Government of Alberta, reproduced with permission). The white dot in d indicates the photograph location of b

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